Well cementation material pressure testing device

Abstract

The utility model discloses a well cementation material pressure test device which comprises a test box and a control console, the test box is arranged on one side of the control console, a pressure generator is arranged at the top of the test box and comprises an electric hydraulic cylinder fixedly arranged on the inner side of the top of the test box, and the telescopic end of the electric hydraulic cylinder is connected with a pressing plate; a pressure sensor is arranged in the middle of the bottom end of a pressure generator, telescopic rods are symmetrically arranged on the two sides of the pressure generator, clamping assemblies are fixedly arranged at the bottom ends of the telescopic rods, a well cementation material test block needing to be tested is placed on a test bed, and the telescopic rods on the two sides of the pressure generator firstly drive the clamping assemblies to move downwards; the clamping assembly is driven by the telescopic rod to fix the test block, so that the stability of the test block is improved, and the test block is prevented from moving in the test process to influence the test result.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure test technical field especially relates to a well cementing material pressure test device. BACKGROUND

[0002] Well cementing material is specially used for well cementing engineering of oil well and gas well, and is generally composed of oil well cement, external admixture and additive, and its main function is to cement and seal the casing and surrounding rock formation, to seal the oil, gas and water layers in the formation, to prevent mutual interference, and to form a good oil flow channel from the oil layer to the ground. One of the core indicators for evaluating the quality of well cementing material is its strength. When pressure testing is performed, the hardened test block needs to be placed in a pressure testing machine. This testing machine applies pressure to the test block through a hydraulic device and measures the pressure.

[0003] Chinese patent CN220419040U discloses a detection device for concrete structures in coastal areas, which includes a detection box, a vibration generator, a pressure generator and an environment simulator. The vibration generator is fixedly installed on the bottom of the detection box, and the pressure generator is movably installed above the vibration generator. The environment simulator is fixedly installed on the inner wall of the detection box. The vibration generator and the pressure generator are used to detect the compression resistance and shock resistance of concrete structures in coastal areas. However, the concrete test block is not fixed during testing, which causes the concrete test block to move during testing, affecting the test results. In addition, the debris generated after testing is difficult to clean, which affects the progress of subsequent tests. SUMMARY

[0004] The purpose of the present application is to provide a well cementing material pressure test device to solve the problem that the test block is not fixed during testing by the existing pressure testing machine, which causes the test block to move during testing, affecting the test results. In addition, the debris generated after testing is difficult to clean, which affects the progress of subsequent tests.

[0005] To solve the above technical problems, the present application provides a well cementing material pressure test device, which includes a test box and a control console. The test box is arranged on one side of the control console. A pressure generator is arranged on the top of the test box. The pressure generator includes an electric hydraulic cylinder fixedly arranged on the inner side of the top of the test box. The telescopic end of the electric hydraulic cylinder is connected with a pressure plate. A pressure sensor is arranged on the bottom end of the pressure plate. Two telescopic rods are symmetrically arranged on the two sides of the pressure generator. A clamping assembly is fixedly arranged on the bottom end of each telescopic rod. A material container is arranged on the inner side of the bottom of the test box. A test table is arranged above the material container. The two ends of the test table are connected with the inner wall of the test box through connecting rods. A box door is arranged on the front side of the test box. An observation window is formed in the box door.

[0006] It should be noted in the solution that the clamping assembly includes a clamping plate, and a buffer assembly is provided between the clamping plate and the telescopic rod.

[0007] It is further worth noting that the buffer assembly includes a connecting plate disposed at the bottom end of the telescopic rod, a guide rod disposed on the connecting plate, the bottom end of the guide rod being connected to the clamping plate, a buffer spring being sleeved on the bottom end of the guide rod, and a limit block being disposed at the top end of the guide rod.

[0008] In a preferred embodiment, the material container is movably disposed at the bottom of the test chamber, and a pull handle is provided on the front side of the material container.

[0009] It should be noted in the solution that both the control console and the test chamber are equipped with support columns at the bottom, and the bottom of the support columns is equipped with anti-slip pads.

[0010] It is worth noting that the connection between the chamber door and the test chamber is made by a hinge, and the surface of the chamber door is provided with an opening and closing handle.

[0011] In a preferred embodiment, a guide plate is inclinedly arranged between the test bench and the material container.

[0012] Compared with the prior art, the cementing material pressure testing device provided by this utility model has at least the following beneficial effects:

[0013] 1. Place the cementing material test block to be tested on the test bench. The telescopic rods on both sides of the pressure generator first drive the clamping assembly to move down. The clamping assembly fixes the test block under the action of the telescopic rods, improving the stability of the test block and preventing the test block from moving during the test, which would affect the test results.

[0014] 2. By setting a material collection box at the bottom of the test chamber, all the debris generated during the test can be collected into the material collection box. The material collection box is movable inside the test chamber. After the test, the debris in the material collection box can be quickly cleaned up without affecting the subsequent test, thus improving the test efficiency.

[0015] 3. By using the test chamber and the chamber door together, the test process can be effectively kept in a closed environment, preventing the test block from breaking and splashing out when the pressure generator applies pressure to the test block, which could cause injury to the surrounding personnel. It has a good protective effect and helps to improve the safety of the device during use. Attached Figure Description

[0016] To more clearly illustrate the technical solution of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0017] Figure 1 The utility model provides a kind of well cementing material pressure test device external structure schematic view;

[0018] Figure 2 The utility model provides a kind of test box internal structure schematic view;

[0019] Figure 3 The utility model provides a kind of clamping assembly structure structure schematic view;

[0020] Figure 4 The utility model provides a kind of test bench and connecting rod connecting structure schematic view;

[0021] In the drawing: 1, control console;2, test box;301, electric hydraulic cylinder;302, pressing plate;303, pressure sensor;4, telescopic rod;5, connecting plate;6, guide rod;7, clamping plate;8, buffer spring;9, connecting rod;10, test bench;11, guide plate;12, material container;13, pull handle;14, box door;15, observation window;16, opening and closing handle;17, support column;18, antiskid pad. DETAILED DESCRIPTION

[0022] In order to make the personnel in the technical field better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings.

[0023] The core of the present application is to provide a kind of well cementing material pressure test device, solve the problem that test block is not fixed when the existing pressure testing machine tests, test block moves in the testing process, affects test result;Meanwhile, the debris generated after testing is inconvenient to clean, affects the subsequent test progress.

[0024] Figure 1 The utility model provides a kind of well cementing material pressure test device external structure schematic view, Figure 2 The utility model provides a kind of test box internal structure schematic view, Figure 3 The utility model provides a kind of clamping assembly structure structure schematic view, Figure 4 The utility model provides a kind of test bench and connecting rod connecting structure schematic view. See Figures 1 to 4 As shown in the figure.

[0025] The utility model provides a kind of cementing material pressure test device, including test box 2 and control cabinet 1, test box 2 is arranged in the side of control cabinet 1, control cabinet 1 can control the working state of device, facilitate staff to operate, the top of test box 2 is provided with pressure generator, pressure generator includes the electric hydraulic cylinder 301 fixedly arranged in test box 2 top inside, the telescopic end of electric hydraulic cylinder 301 is connected with pressure plate 302, the bottom end of pressure plate 302 is provided with pressure sensor 303, pressure sensor 303 is fixedly opposite electric hydraulic cylinder 301, when actual test, electric hydraulic cylinder 301 drives pressure plate 302 to descend, detects pressure by pressure sensor 303, the pressure of cementing material can be tested. The both sides of pressure generator are symmetrically provided with telescopic rod 4, the bottom end of telescopic rod 4 is fixedly provided with clamping assembly, and telescopic rod 4 can drive clamping assembly to move up and down. The bottom inside of test box 2 is provided with material container 12, and the upper side of material container 12 is provided with test table 10, and the both ends of test table 10 are connected with the inner wall of test box 2 by connecting rod 9, and the front side of test box 2 is provided with box door 14, and observation window 15 is formed in box door 14, and the inside test condition of test box 2 can be observed by using observation window 15. When actual test, open box door 14, place test block on test table 10, close box door 14, control telescopic rod 4 to descend, clamping assembly is fixed to test block under the driving of telescopic rod 4, then start electric hydraulic cylinder 301 and drive pressure plate 302 to descend, detect pressure by pressure sensor 303, the pressure of cementing material can be tested. When test process, test block breaks, and thus falls to the bottom material container 12, and waste is collected by material container 12, and material is cleaned by staff.

[0026] In the above embodiment, the clamping assembly includes a clamping plate 7, a buffer assembly is arranged between the clamping plate 7 and the telescopic rod 4, the clamping plate 7 contacts the upper surface of the test block, and the test block is fixed by the clamping plates 7 on both sides, so as to avoid movement of the test block during testing and affect the test results.

[0027] Further, the buffer assembly includes a connecting plate 5 arranged at the bottom end of the telescopic rod 4, a guide rod 6 is arranged on the connecting plate 5, the bottom end of the guide rod 6 is connected with the clamping plate 7, a buffer spring 8 is sleeved on the bottom end of the guide rod 6, and a limiting block is arranged at the top end of the guide rod 6. The buffer spring 8 can buffer the extrusion force when the clamping plate 7 contacts and presses the test block, so as to avoid affecting the pressure test of the test block.

[0028] In order to clean the test waste, the container 12 is preferably movably arranged at the bottom of the test box 2, and the front side of the container 12 is provided with a pull handle 13. After the test, the box door 14 is opened, the debris on the test bench 10 is collected into the container 12, and then the pull handle 13 is pulled to move the container 12 out of the test box 2 and clean the material.

[0029] In the embodiment, the console 1 and the bottom of the test box 2 are preferably provided with support columns 17, and the bottom of the support column 17 is provided with a non-slip pad 18. The support column 17 supports the device. The box door 14 is movably connected to the test box 2 through a hinge, and the surface of the box door 14 is provided with an opening and closing handle 16.

[0030] In order to facilitate the collection of waste into the container 12, the test bench 10 and the container 12 are preferably inclined and provided with a guide plate 11. One side of the guide plate 11 is connected to the inner wall of the test box 2, and the other side is inclined downward. Through the guide plate 11, the debris can be guided to fall into the container 12, avoiding the debris from spilling outside the container 12.

[0031] The working principle of the cementing material pressure test device provided by the application is as follows: the box door 14 is opened, the test block is placed on the test bench 10, the box door 14 is closed, the telescopic rod 4 is controlled to move downward, the clamping plate 7 is in contact with the upper surface of the test block, and then the test block is fixed through the clamping plates 7 on both sides. The buffer spring 8 can buffer the extrusion force when the clamping plate 7 is in contact and pressed against the test block in cooperation with the guiding action of the guide rod 6, so as to avoid the influence of the extrusion force on the pressure test of the test block. Then the electric hydraulic cylinder 301 is started to drive the pressing plate 302 to move downward, and the pressure is detected through the pressure sensor 303, so that the pressure of the cementing material can be tested. When the test block is broken during the test, the debris falls into the container 12 along the guide plate 11. After the test, the box door 14 is opened, the debris on the test bench 10 is collected into the container 12, and then the pull handle 13 is pulled to move the container 12 out of the test box 2 and clean the material.

[0032] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope of the application being indicated by the following claims.

[0033] It should be understood that the application is not limited to the precise construction that has been described above and shown in the accompanying drawings, and that various modifications and changes can be made by those skilled in the art without departing from the scope of the application. The foregoing described embodiments of the application are not to be construed as limiting the application.

Claims

1. A cement material pressure testing apparatus, characterized by, Include: Test box (2) and control platform (1), the test box (2) is arranged on one side of the control platform (1), the top of the test box (2) is provided with a pressure generator, the pressure generator includes a motor-driven hydraulic cylinder (301) fixedly arranged in the inside of the top of the test box (2), the telescopic end of the motor-driven hydraulic cylinder (301) is connected with a pressing plate (302), the bottom end of the pressing plate (302) is provided with a pressure sensor (303), the both sides of the pressure generator are symmetrically provided with telescopic rods (4), the bottom end of the telescopic rod (4) is fixedly provided with a clamping assembly, the bottom inside of the test box (2) is provided with a material containing box (12), the top of the material containing box (12) is provided with a test table (10), the both ends of the test table (10) are connected with the inner wall of the test box (2) through connecting rods (9), the front side of the test box (2) is provided with a box door (14), the box door (14) is provided with an observation window (15).

2. The cement material pressure testing device of claim 1, wherein, The clamping assembly includes a clamping plate (7), and a buffer assembly is arranged between the clamping plate (7) and the telescopic rod (4).

3. A cement material pressure testing apparatus according to claim 2, wherein The buffer assembly includes a connecting plate (5) arranged at the bottom end of the telescopic rod (4), the connecting plate (5) is provided with a guide rod (6), the bottom end of the guide rod (6) is connected with the clamping plate (7), the guide rod (6) is sleeved with a buffer spring (8) at the bottom end, and the top end of the guide rod (6) is provided with a limiting block.

4. The cement material pressure testing device of claim 1, wherein, The material containing box (12) is movably arranged at the bottom of the test box (2), and the front side of the material containing box (12) is provided with a pulling handle (13).

5. The device of claim 1, wherein, The bottom of the control platform (1) and the test box (2) is provided with a supporting column (17), and the bottom of the supporting column (17) is provided with an antiskid pad (18).

6. The cement material pressure testing apparatus of claim 1, wherein The connecting place of the box door (14) and the test box (2) is movably connected through a hinge, and the surface of the box door (14) is provided with an opening and closing handle (16).

7. A pressure testing device for cementing material according to any one of claims 1 to 6, characterized in that The test table (10) and the material containing box (12) are provided with a material guide plate (11) between them.

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